Learning objectives
At the end of the course, students will have acquired the knowledge related to main technologies and fields of application for: wastewater treatment, drinking water treatment operational plant management, recovery/disposal of solid waste. Students will also be able to perform the preliminary design of these plants and to carry out monitoring planning and operational methods to verify plant efficiency.
Prerequisites
Chemistry. Fundamentals of Sanitary-Environmental Engineering.
Course unit content
“Sanitary-environmental treatment plants” course is formed by 3 parts:
• in the 1st part, treatments of wastewater are developed; in particular, nutrient removal processes are described and operation systems to optimize wastewater treatment plant performances are showed;
• in the 2nd part, treatments of water for drinking use are studied, in particular advanced technologies to remove new pollutants;
• in the 3rd part, treatment, recovery and final disposal of solid wastes will be discussed.
THEORY
Plants to remove nitrogen and phosphorus. Sludge treatment processes. Operation problems in activated sludge plants. Monitoring planning. Experimental methods to verify efficiency plant level (hydrodynamics models, oxygen transfer capacity). Biological treatment feasibility of different wastewaters. Sludge production minimization systems. Advanced drinking water processes. Thermal waste processes (pyrolysis, gasification). Controlled landfills. Organic and inorganic matter recovery from solid waste.
PRACTICAL CLASS
Nitrification and denitrification reactors design. Dephosphatation design. Process efficiencies calculation. Simulation of some experimental texts to verify plant efficiency. Respirometric tests. Freundlich isotherm for activated carbon application. Ionic exchange resins. Preliminary design of incineration and gasification plants.
Full programme
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Bibliography
Collivignarelli Carlo, Bertanza Giorgio. Ingegneria Sanitaria-Ambientale. Città Studi Edizioni.
Collivignarelli Carlo, Sorlini Sabrina. Potabilizzazione delle acque - Processi e tecnologie. Dario Flaccovio Editore.
Metcalf & Eddy, Inc., Ingegneria delle Acque Reflue: Trattamento e Riuso, 5a Edizine, Mc-Graw-Hill, Milano, 2006.
Teaching methods
The course is divided into lectures and numerical exercises. Lessons will be held using Power Point presentations. The exercises are carried out in the classroom and numerically performed.
Assessment methods and criteria
The evaluation of course consists of a written test and an oral interview.
The written test consists of five questions regarding both theoretical and applicative knowledge (exercises).
The written exam may consists of two partial tests.
Other information
Lecture attendance is highly recommended
